Passenger Screening

2. The system of claim 1, wherein determining the risk score is based on a database of passengers, the database including biometric characteristics for prior passengers.

3. The system of claim 2, wherein the prior passengers are prior passengers of a ridesharing service.

4. The system of claim 1, wherein the ANN is trained using images from prior passengers of a ridesharing service.

5. The system of claim 4, wherein the ANN is trained further using risk scores associated with the images.

7. The system of claim 1, wherein the risk score is determined based on risk scores for prior passengers.

8. The system of claim 1, wherein the risk score is determined based on prior risk scores provided by the driver.

9. The system of claim 8, wherein the prior risk scores provided by the driver correspond to images of prior passengers.

11. The system of claim 10, wherein the image data includes a video.

12. The system of claim 10, wherein the risk score relates to whether the person is intoxicated.

13. The system of claim 10, wherein the notification is provided by the vehicle or a computing device within the vehicle, and the notification is provided to a driver of the vehicle.

14. The system of claim 10, wherein the risk score relates to a riding history of the person.

15. The system of claim 10, wherein the biometric information comprises non-visual biometric information.

16. The system of claim 10, further comprising at least one sensor configured to generate non-visual biometric data regarding the person, wherein the risk score is determined further based on the non-visual biometric data.

17. The system of claim 16, wherein the non-visual biometric data includes a voice recording.